Rework to switch to using KUKSA.val databroker

Rework to use the "VAL" gRPC API from the KUKSA.val databroker
instead of the older server's WebSocket interface.  Some source
files have been renamed to match the class naming to provide
a bit more consistency.

Bug-AGL: SPEC-4762

Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Change-Id: Ib1ec31af439a9b2d5244e2232ea7be1ed9a2574c

1 files changed, 51 insertions, 10 deletions

diff --git a/src/meson.build b/src/meson.build
index 149ec99..40aaec8 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -1,19 +1,60 @@
 boost_dep = dependency('boost',
                        version : '>=1.72',
                        modules : [ 'thread', 'filesystem', 'program_options', 'log', 'system' ])
-openssl_dep = dependency('openssl')
-thread_dep = dependency('threads')
-cxx = meson.get_compiler('cpp')
 
-src =  [ 'vis-config.cpp',
-         'vis-session.cpp',
-         'hvac-service.cpp',
-         'hvac-can-helper.cpp',
-         'hvac-led-helper.cpp',
-         'main.cpp'
+cpp = meson.get_compiler('cpp')
+grpcpp_reflection_dep = cpp.find_library('grpc++_reflection')
+
+service_dep = [
+    boost_dep,
+    dependency('glib-2.0'),
+    dependency('openssl'),
+    dependency('threads'),
+    dependency('libsystemd'),
+    dependency('protobuf'),
+    dependency('grpc'),
+    dependency('grpc++'),
+    grpcpp_reflection_dep
 ]
+
+protoc = find_program('protoc')
+grpc_cpp = find_program('grpc_cpp_plugin')
+
+protos_base_dir = get_option('protos')
+protos_dir = protos_base_dir / 'kuksa/val/v1'
+protoc_gen = generator(protoc, \
+                       output : ['@BASENAME@.pb.cc', '@BASENAME@.pb.h'],
+                       arguments : ['-I=' + protos_base_dir,
+                         '--cpp_out=@BUILD_DIR@',
+                         '@INPUT@'])
+generated_protoc_sources = [ \
+    protoc_gen.process(protos_dir / 'types.proto', preserve_path_from : protos_base_dir),
+    protoc_gen.process(protos_dir / 'val.proto', preserve_path_from : protos_base_dir),
+]
+
+grpc_gen = generator(protoc, \
+                     output : ['@BASENAME@.grpc.pb.cc', '@BASENAME@.grpc.pb.h'],
+                     arguments : ['-I=' + protos_base_dir,
+                       '--grpc_out=@BUILD_DIR@',
+                       '--plugin=protoc-gen-grpc=' + grpc_cpp.path(),
+                       '@INPUT@'])
+generated_grpc_sources = [ \
+    grpc_gen.process(protos_dir / 'val.proto', preserve_path_from : protos_base_dir),
+]
+
+src =  [
+    'KuksaConfig.cpp',
+    'KuksaClient.cpp',
+    'HvacService.cpp',
+    'HvacCanHelper.cpp',
+    'HvacLedHelper.cpp',
+    'main.cpp',
+    generated_protoc_sources,
+    generated_grpc_sources,
+]
+
 executable('agl-service-hvac',
            src,
-           dependencies: [boost_dep, openssl_dep, thread_dep, systemd_dep],
+           dependencies: service_dep,
            install: true,
            install_dir : get_option('sbindir'))